GR-MANGO sample using mbed-os library from my repository.

Dependencies:   mbed-http

Revision:
0:b4c1e32627f2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample_programs/sample_18_mipi_drp_lcd.cpp	Mon Oct 12 02:25:49 2020 +0000
@@ -0,0 +1,262 @@
+/*******************************************************************************
+* DISCLAIMER
+* This software is supplied by Renesas Electronics Corporation and is only
+* intended for use with Renesas products. No other uses are authorized. This
+* software is owned by Renesas Electronics Corporation and is protected under
+* all applicable laws, including copyright laws.
+* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
+* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
+* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
+* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
+* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
+* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
+* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
+* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+* Renesas reserves the right, without notice, to make changes to this software
+* and to discontinue the availability of this software. By using this software,
+* you agree to the additional terms and conditions found by accessing the
+* following link:
+* http://www.renesas.com/disclaimer
+*
+* Copyright (C) 2019 Renesas Electronics Corporation. All rights reserved.
+*******************************************************************************/
+#include "sample_select.h"
+
+#if (SAMPLE_PROGRAM_NO == 18)
+// SAMPLE_PROGRAM_NO 18 : MIPI, DRP and LCD sample
+// If you want to know more about SimpleIsp, please refer to: https://github.com/d-kato/RZ_A2M_WebCamera_MIPI
+//
+// Converts the input image from MIPI camera to YUV image using DRP and outputs to display.
+// Please refer to the document for details. (RZ_A2M_Mbed\drp-for-mbed\r_drp\doc),
+//
+// Please set the value of "camera-type" in "mbed_app.json" to null or "CAMERA_RASPBERRY_PI".
+//
+//        "camera-type":{
+//            "help": "Please see EasyAttach_CameraAndLCD/README.md",
+//            "value": null
+//        },
+//
+//        or
+//
+//        "camera-type":{
+//            "help": "Please see EasyAttach_CameraAndLCD/README.md",
+//            "value": "CAMERA_RASPBERRY_PI"
+//        },
+//
+// Requirements
+//   RZ/A2M Evaluation Board Kit : Display Output Board
+//   SBEV-RZ/A2M                 : LVDS To HDMI Board
+//   SEMB1402                    : LVDS To HDMI Board
+
+#if !defined(TARGET_RZ_A2XX)
+#error "DRP and MIPI are not supported."
+#endif
+#if MBED_CONF_APP_CAMERA_TYPE != CAMERA_RASPBERRY_PI
+#error Please set the value of "camera-type" in "mbed_app.json" to "CAMERA_RASPBERRY_PI" and build.
+#endif
+
+#include "mbed.h"
+#include "EasyAttach_CameraAndLCD.h"
+#include "AsciiFont.h"
+#include "r_dk2_if.h"
+#include "r_drp_simple_isp.h"
+
+/*! Frame buffer stride: Frame buffer stride should be set to a multiple of 32 or 128
+    in accordance with the frame buffer burst transfer mode. */
+#define VIDEO_PIXEL_HW         LCD_PIXEL_WIDTH
+#define VIDEO_PIXEL_VW         LCD_PIXEL_HEIGHT
+
+#define FRAME_BUFFER_STRIDE    (((VIDEO_PIXEL_HW * 1) + 31u) & ~31u)
+#define FRAME_BUFFER_STRIDE_2  (((VIDEO_PIXEL_HW * 2) + 31u) & ~31u)
+#define FRAME_BUFFER_HEIGHT    (VIDEO_PIXEL_VW)
+
+#define OVL_WIDTH              (AsciiFont::CHAR_PIX_WIDTH * 2 * 11)
+#define OVL_STRIDE             (((OVL_WIDTH * 1) + 31u) & ~31u)
+#define OVL_HEIGHT             (AsciiFont::CHAR_PIX_HEIGHT * 2)
+
+#define DRP_FLG_CAMER_IN       (0x00000100)
+
+#define WB_DAYLIGHT            (0)
+#define WB_CLOUDY              (1)
+#define WB_FLUORESCENT         (2)
+#define WB_TUNGSTEN            (3)
+
+static DisplayBase Display;
+static uint8_t fbuf_bayer[FRAME_BUFFER_STRIDE * FRAME_BUFFER_HEIGHT]__attribute((aligned(128)));
+static uint8_t fbuf_yuv[FRAME_BUFFER_STRIDE_2 * FRAME_BUFFER_HEIGHT]__attribute((aligned(32)));
+static uint8_t fbuf_overlay[OVL_STRIDE * OVL_HEIGHT]__attribute((section("NC_BSS"),aligned(32)));
+
+static r_drp_simple_isp_t param_isp __attribute((section("NC_BSS")));
+static uint8_t drp_lib_id[R_DK2_TILE_NUM] = {0};
+static Thread drpTask(osPriorityHigh);
+static uint32_t isp_wb_mode_req;
+static uint32_t isp_wb_mode;
+
+static const uint32_t clut_data_resut[] = {0x00000000, 0xff00ff00};  // ARGB8888
+
+static void IntCallbackFunc_Vfield(DisplayBase::int_type_t int_type) {
+    drpTask.flags_set(DRP_FLG_CAMER_IN);
+}
+
+static void cb_drp_finish(uint8_t id) {
+    // do nothing
+}
+
+static void Start_Video_Camera(void) {
+    // Video capture setting (progressive form fixed)
+    Display.Video_Write_Setting(
+        DisplayBase::VIDEO_INPUT_CHANNEL_0,
+        DisplayBase::COL_SYS_NTSC_358,
+        (void *)fbuf_bayer,
+        FRAME_BUFFER_STRIDE,
+        DisplayBase::VIDEO_FORMAT_RAW8,
+        DisplayBase::WR_RD_WRSWA_NON,
+        VIDEO_PIXEL_VW,
+        VIDEO_PIXEL_HW
+    );
+    EasyAttach_CameraStart(Display, DisplayBase::VIDEO_INPUT_CHANNEL_0);
+}
+
+static void Start_LCD_Display(void) {
+    DisplayBase::rect_t rect;
+    DisplayBase::clut_t clut_param;
+
+    rect.vs = 0;
+    rect.vw = VIDEO_PIXEL_VW;
+    rect.hs = 0;
+    rect.hw = VIDEO_PIXEL_HW;
+    Display.Graphics_Read_Setting(
+        DisplayBase::GRAPHICS_LAYER_0,
+        (void *)fbuf_yuv,
+        FRAME_BUFFER_STRIDE_2,
+        DisplayBase::GRAPHICS_FORMAT_YCBCR422,
+        DisplayBase::WR_RD_WRSWA_32_16_8BIT,
+        &rect
+    );
+    Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_0);
+
+    memset(fbuf_overlay, 0, sizeof(fbuf_overlay));
+    clut_param.color_num = sizeof(clut_data_resut) / sizeof(uint32_t);
+    clut_param.clut = clut_data_resut;
+
+    rect.vs = 5;
+    rect.vw = OVL_HEIGHT;
+    rect.hs = 5;
+    rect.hw = OVL_WIDTH;
+    Display.Graphics_Read_Setting(
+        DisplayBase::GRAPHICS_LAYER_2,
+        (void *)fbuf_overlay,
+        OVL_STRIDE,
+        DisplayBase::GRAPHICS_FORMAT_CLUT8,
+        DisplayBase::WR_RD_WRSWA_32_16_8BIT,
+        &rect,
+        &clut_param
+    );
+    Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_2);
+
+    ThisThread::sleep_for(50);
+    EasyAttach_LcdBacklight(true);
+}
+
+static void button_fall(void) {
+    if (isp_wb_mode_req < WB_TUNGSTEN) {
+        isp_wb_mode_req++;
+    } else {
+        isp_wb_mode_req = WB_DAYLIGHT;
+    }
+}
+
+static void drp_task(void) {
+    AsciiFont ascii_font(fbuf_overlay, OVL_WIDTH, OVL_HEIGHT, OVL_STRIDE, 1);
+    char str[64];
+
+    EasyAttach_Init(Display);
+    Start_LCD_Display();
+    // Interrupt callback function setting (Field end signal for recording function in scaler 0)
+    Display.Graphics_Irq_Handler_Set(DisplayBase::INT_TYPE_S0_VFIELD, 0, IntCallbackFunc_Vfield);
+    Start_Video_Camera();
+
+    R_DK2_Initialize();
+
+    /* Load DRP Library                 */
+    /*        +-----------------------+ */
+    /* tile 0 |                       | */
+    /*        +                       + */
+    /* tile 1 |                       | */
+    /*        +                       + */
+    /* tile 2 |                       | */
+    /*        + SimpleIsp bayer2yuv_6 + */
+    /* tile 3 |                       | */
+    /*        +                       + */
+    /* tile 4 |                       | */
+    /*        +                       + */
+    /* tile 5 |                       | */
+    /*        +-----------------------+ */
+    R_DK2_Load(g_drp_lib_simple_isp_bayer2yuv_6,
+               R_DK2_TILE_0,
+               R_DK2_TILE_PATTERN_6, NULL, &cb_drp_finish, drp_lib_id);
+    R_DK2_Activate(0, 0);
+
+    memset(&param_isp, 0, sizeof(param_isp));
+    param_isp.src    = (uint32_t)fbuf_bayer;
+    param_isp.dst    = (uint32_t)fbuf_yuv;
+    param_isp.width  = VIDEO_PIXEL_HW;
+    param_isp.height = VIDEO_PIXEL_VW;
+    param_isp.gain_r = 0x1266;
+    param_isp.gain_g = 0x0CB0;
+    param_isp.gain_b = 0x1359;
+
+    isp_wb_mode_req = WB_DAYLIGHT;
+    isp_wb_mode = WB_DAYLIGHT;
+    sprintf(str, "Daylight");
+    ascii_font.DrawStr(str, 0, 0 + (AsciiFont::CHAR_PIX_HEIGHT + 1) * 0, 1, 2);
+
+    InterruptIn button(USER_BUTTON0);
+    button.fall(&button_fall);
+
+    while (true) {
+        ThisThread::flags_wait_all(DRP_FLG_CAMER_IN);
+        if (isp_wb_mode_req != isp_wb_mode) {
+            isp_wb_mode = isp_wb_mode_req;
+            switch (isp_wb_mode) {
+                case WB_DAYLIGHT:
+                    param_isp.gain_r = 0x1266;
+                    param_isp.gain_g = 0x0CB0;
+                    param_isp.gain_b = 0x1359;
+                    sprintf(str, "Daylight");
+                    break;
+                case WB_CLOUDY:
+                    param_isp.gain_r = 0x1400;
+                    param_isp.gain_g = 0x0CB0;
+                    param_isp.gain_b = 0x11CA;
+                    sprintf(str, "Cloudy");
+                    break;
+                case WB_FLUORESCENT:
+                    param_isp.gain_r = 0x1000;
+                    param_isp.gain_g = 0x0CB0;
+                    param_isp.gain_b = 0x163D;
+                    sprintf(str, "Fluorescent");
+                    break;
+                case WB_TUNGSTEN:
+                    param_isp.gain_r = 0x0E66;
+                    param_isp.gain_g = 0x0CB0;
+                    param_isp.gain_b = 0x1876;
+                    sprintf(str, "Tungsten");
+                    break;
+            }
+            memset(fbuf_overlay, 0, sizeof(fbuf_overlay));
+            ascii_font.DrawStr(str, 0, 0 + (AsciiFont::CHAR_PIX_HEIGHT + 1) * 0, 1, 2);
+        }
+        R_DK2_Start(drp_lib_id[0], (void *)&param_isp, sizeof(r_drp_simple_isp_t));
+    }
+}
+
+int main(void) {
+    // Start DRP task
+    drpTask.start(callback(drp_task));
+
+    ThisThread::sleep_for(osWaitForever);
+}
+
+#endif